404679 has 8 divisors (see below), whose sum is σ = 588672. Its totient is φ = 245240.

The previous prime is 404671. The next prime is 404693. The reversal of 404679 is 976404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404679 - 2³ = 404671 is a prime.

404679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (73584).

2⁴⁰⁴⁶⁷⁹ is an apocalyptic number.

404679 is a deficient number, since it is larger than the sum of its proper divisors (183993).

404679 is a wasteful number, since it uses less digits than its factorization.

404679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 404679 is about 636.1438516562. The cubic root of 404679 is about 73.9668100491.

The spelling of 404679 in words is "four hundred four thousand, six hundred seventy-nine".